square key; no CHINA inscription on the back side; bronze version; special edition of four color tuning keys to support the sale of products of a Japanese music shop;
acquired with kind help from Mr. Shibata; thanks Takuya
square key; no CHINA inscription on the back side; bronze version; special edition of four color tuning keys to support the sale of products of a Japanese music shop;
acquired with kind help from Mr. Shibata; thanks Takuya